Crayfish and Butterfly Research

Crayfish

http://www.biokids.umich.edu/critters/Orconectes_rusticus/

http://crayfishblue.weebly.com/fun-facts.html

https://answersingenesis.org/kids/animals/crayfish/

Butterflies

https://defenders.org/butterflies/basic-facts

https://www.kidsbutterfly.org/faq-page

http://www3.canisius.edu/~grandem/butterflylifecycle/The_Lifecycle_of_a_Butterfly_print.html